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Morphology of flattened diamond crystals synthesized by the oxy-acetylene flame method

Flattened diamond crystals were synthesized by the oxy-acetyle flame method under high O2/C2H2 gas ratio conditions (≥0.95). The morphology of the flattened diamond crystals is characterized as follows: the ratio of the size of the top face and the height is 5:1 or more and all the faces are {111} f...

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Bibliographic Details
Published in:Applied physics letters 1993-01, Vol.62 (4), p.354-356
Main Authors: HIRABAYASHI, K, KIMURA, T, HIROSE, Y
Format: Article
Language:English
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Summary:Flattened diamond crystals were synthesized by the oxy-acetyle flame method under high O2/C2H2 gas ratio conditions (≥0.95). The morphology of the flattened diamond crystals is characterized as follows: the ratio of the size of the top face and the height is 5:1 or more and all the faces are {111} faces. The twin boundaries are formed many times parallel to the top face. Scanning electron microscopy observations indicate that the flattened diamond crystals exhibit a good crystalline morphology. The motive force of lateral growth is caused by a re-entrant corner effect which results from the formation of twin boundaries.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.108955